Hello,
I have a Petsc code solving PDE using FD method, and I generated the structures
grid with DMDA. I was planning to implement adaptive mesh refinement to the
same structures mesh but the documentation on the DMForest is not easy to find.
I checked the
, September 6, 2018 6:46:55 PM
To: Sepideh Kavousi
Cc: PETSc
Subject: Re: [petsc-users] DMForest
On Thu, Sep 6, 2018 at 6:04 PM Sepideh Kavousi
mailto:skav...@lsu.edu>> wrote:
Hello,
I have a Petsc code solving PDE using FD method, and I generated the structures
grid with DMDA. I was pl
Mathew and Dave,
Thank you so much it is working perfectly now.
Sepideh
From: Dave May <dave.mayhe...@gmail.com>
Sent: Wednesday, April 18, 2018 3:13:33 PM
To: Sepideh Kavousi
Cc: Matthew Knepley; petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] error r
It is really a pleasure for me.
Thanks,
Sepidwh
Get Outlook for Android<https://aka.ms/ghei36>
From: Dave May <dave.mayhe...@gmail.com>
Sent: Wednesday, April 18, 2018 11:14:47 PM
To: Matthew Knepley
Cc: Sepideh Kavousi; petsc-users@mcs.anl.gov
Thanks.
Sepideh
From: Matthew Knepley <knep...@gmail.com>
Sent: Thursday, April 19, 2018 1:48:57 PM
To: Sepideh Kavousi
Cc: Dave May; petsc-users@mcs.anl.gov; Karl Rupp
Subject: Re: [petsc-users] error running parallel on cluster
Great! I have approved i
I submitted the pull request this morning.
Regards,
Sepideh
From: Dave May <dave.mayhe...@gmail.com>
Sent: Wednesday, April 18, 2018 11:14:47 PM
To: Matthew Knepley
Cc: Sepideh Kavousi; petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] error running pa
<knep...@gmail.com>
Sent: Tuesday, April 17, 2018 1:22:53 PM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] error running parallel on cluster
On Tue, Apr 17, 2018 at 1:50 PM, Sepideh Kavousi
<skav...@lsu.edu<mailto:skav...@lsu.edu>> wrote:
Mathew,
not understand dm and da are connected, although I
have used TSSetDM in the main function.
Can you please help me what should I do?
Regards,
Sepideh
From: Matthew Knepley <knep...@gmail.com>
Sent: Monday, April 16, 2018 9:34:01 PM
To: Sepideh Kavo
_________
From: Matthew Knepley <knep...@gmail.com>
Sent: Monday, April 16, 2018 8:36:37 PM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] error running parallel on cluster
On Mon, Apr 16, 2018 at 9:20 PM, Sepideh Kavousi
<skav...@lsu.ed
Hello,
I am solving a PDE where I have the spacial derivtive of the time derivative of
a variable. In the DMDATSSetIFunctionLocal function I defined d(dY/dt)/dx as:
(aYdot[j][i+1].p-aYdot[j][i-1].p)/(2.0*user->hx)
on my workstation, it is working but on the cluster it gives an error. I can
)
==39396== Address 0x18 is not stack'd, malloc'd or (recently) free'd
==39396==
Thanks,
Sepideh
From: Matthew Knepley <knep...@gmail.com>
Sent: Monday, April 16, 2018 8:44:43 PM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] error r
did not have such problem when there were only
spacial derivatives in FormFunction calculations of DMDATSSetIFunctionLocal.
Can you please help me what I should do?
Sepideh
From: Sepideh Kavousi
Sent: Monday, April 16, 2018 9:22:31 PM
To: Matthew Knepley
Cc: petsc-us
Hi all,
I wrote a petsc code, and I defined my variables in a separate file, namely
common.h, and common.c as following
common.h:
extern int i;
extern int n;
common.c:
#include
#include "common.h
PetscScalar i; // Define i and initialize
PetscScalar n; // Define n and
thanks. It works
Sepideh
From: Matthew Knepley <knep...@gmail.com>
Sent: Tuesday, April 3, 2018 5:53:56 AM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] read variables from a source file in petsc
On Mon, Apr 2, 2018 at 10
Hello,
I am solving Cahn-Hillard equation where I have Laplacian in my equation. In
order to discretize the Laplacian, I can discretize with 5-point or 9-point
stencil.
5 point stencile:
Dear Petsc users,
I am trying to write VTK output file every few steps. When I was using the
petsc 3.7 I used the following lines:
if (user->ts_write % 500 ==0) {
ierr=
PetscSNPrintf(user->filename,sizeof(user->filename),"one-%03d.vts",user->ts_write);CHKERRQ(ierr);
ierr=
Dear Petsc Users
I wrote a code in 2D solving PF equations for solidification of alloys. I have
two variables in the equations 1-non-dimensional concentration (U) 2- order
parameter (p). Everything is fine with this code.
When I change the code to 3D, the code has convergence problems which I
Oh my god, it was a bad one. Thanks for helping.
Sepideh
From: Matthew Knepley
Sent: Wednesday, February 3, 2021 12:14 PM
To: Sepideh Kavousi
Cc: Jed Brown ; petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] SNES-norm is zero all the time
On Wed, Feb 3, 2021
my previous codes I define"
aF[j][i].vx" and not "aF[i][j].vx", and it was working properly.
Best,
Sepideh
From: Jed Brown
Sent: Wednesday, February 3, 2021 11:46 AM
To: Sepideh Kavousi ; petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] SNES
copy!
0 SNES Function norm 0.e+00
Nonlinear solve converged due to CONVERGED_FNORM_ABS iterations 0
...
From: Jed Brown
Sent: Wednesday, February 3, 2021 11:19 AM
To: Sepideh Kavousi ; petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] SNES
Hello,
I have a very stupid problem that I am really ashamed of asking but it has been
with me for days and I do not know what to do. I want to solve the Javier
stokes equation with finite difference method. When I wanted to run the code,
the snes norm value does not change and i get an error
Hello,
I want to solve PF solidification+Navier stokes using Finite different method,
and I have a strange problem. My code runs fine for some system sizes and fails
for some of the system sizes. When I run with the following options:
mpirun -np 2 ./one.out -ts_monitor -snes_fd_color
9:15 AM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] PF+Navier stokes
On Mon, Mar 22, 2021 at 10:04 AM Sepideh Kavousi
mailto:skav...@lsu.edu>> wrote:
Hello,
I want to solve PF solidification+Navier stokes using Finite different method,
and I have a s
Hello,
I want to solve PF solidification+Navier stokes using Finite different method.
The Poisson equation is much more complicated that the one for just a
fluid-flow problems (because it includes different terms order parameter terms).
The code converges but the convergence rate is very slow. I
From: Matthew Knepley
Sent: Tuesday, April 20, 2021 7:23 AM
To: Sepideh Kavousi
Cc: petsc-users@mcs.anl.gov
Subject: Re: [petsc-users] convergence slow
On Mon, Apr 19, 2021 at 5:43 PM Sepideh Kavousi
mailto:skav...@lsu.edu>> wrote:
Hello,
I want to solve PF solidification+
c
application called MPI_Abort(MPI_COMM_WORLD, 50176059) - process 0
[unset]: readline failed
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
From: Barry Smith<mailto:bsm...@petsc.dev>
Sent: Thursday, October 20, 2022 10:27 PM
To: Sepideh Kavousi<mailto:k
Hello,
I want to solve my 5 PDEs based on finite difference method using periodic BC
in x-direction and non-periodic in y-direction but I run into error
(Segmentation Violation, probably memory access out of range).
For this, I discretize my equation in FormFunction function. My PDE
Dear Petsc users,
I have a code which is very strange that works for some cases and for some
cases it gives an error. I run the following command:
mpiexec -np 20 valgrind --tool=memcheck -q --num-callers=20
--log-file=valgrind.log.%p ./one.out -ts_monitor -snes_fd_color
-ts_max_snes_failures
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